The real question for 1962 is the degree to which different plant diseases may develop and the amount of losses that may result. The answers depend on a number of factors, and weather conditions will be particularly important.
Worf, Gayle L.
"Plant Disease Outlook -- 1962,"
Iowa Farm Science: Vol. 16
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol16/iss7/5